Nikki, back to your original question. You said that you have "too many" restore points. Now what is "too many"? Granted, if your OS disk is 400GBs, then you have about 1 to 2 months worth of restore points (depending on the number of downloads and uinstalls). That may be too many. But on the other hand, if you have such a large disk, you are probably not starving from disk space. You can, of course, reduce the shadowstorage space and this article (
How to reduce disk space used by Windows Vista system restore - Download Squad ) decribes how to do that. Figure about 1GB per shadow and you get 1 per day of operation plus 1 with every installation and uninstall. Then you can calculate how many "safe days" you would like.
Else, I always recommend to do system imaging (ghosting) of the whole system. I do this once a week with Norton Ghost (on 3 systems) and the Maxtor One Touch disk (on a fourth system). There are many programs out there (free and fee) with which you can do that. But the Maxtor route is the easiest because it comes with all the (easy to use) tools - and for ghosting you need a disk anyhow.